EP 0331065 A2 19890906 - New indicator compounds, method of their preparation and use of those compounds in an iron assay system.
Title (en)
New indicator compounds, method of their preparation and use of those compounds in an iron assay system.
Title (de)
Indikatorverbindungen, Verfahren zu deren Herstellung und Verwendung dieser Verbindungen in einem Eisenbestimmungssystem.
Title (fr)
Composés indicateurs, méthode de préparation et usage de ces composés dans un système de dosage du fer.
Publication
Application
Priority
IT 4768288 A 19880303
Abstract (en)
The present invention is related to compounds of the general formula (I) <CHEM> wherein R<1> denotes hydrogen, halogen or alkyl and R<2> denotes optionally substituted alkyl, aryl or hetaryl, and their preparation. The compounds can be used in an iron assay system.
IPC 1-7
IPC 8 full level
C07D 409/14 (2006.01); G01N 31/00 (2006.01); G01N 31/22 (2006.01); G01N 33/84 (2006.01)
CPC (source: EP US)
C07D 409/14 (2013.01 - EP US); G01N 31/22 (2013.01 - EP US); G01N 33/84 (2013.01 - EP US); Y10S 436/91 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0497385 A1 19920805; AU 3100789 A 19890907; AU 617153 B2 19911121; CA 1323630 C 19931026; EP 0331065 A2 19890906; EP 0331065 A3 19891227; IT 1219848 B 19900524; IT 8847682 A0 19880303; JP 2749615 B2 19980513; JP H01301678 A 19891205; US 5017498 A 19910521; US 5070198 A 19911203
DOCDB simple family (application)
EP 92105890 A 19890227; AU 3100789 A 19890302; CA 593159 A 19890228; EP 89103380 A 19890227; IT 4768288 A 19880303; JP 4870189 A 19890302; US 31745089 A 19890301; US 62507690 A 19901210